CN109469900A - A kind of burner head and the burner including the burner head - Google Patents
A kind of burner head and the burner including the burner head Download PDFInfo
- Publication number
- CN109469900A CN109469900A CN201811603784.1A CN201811603784A CN109469900A CN 109469900 A CN109469900 A CN 109469900A CN 201811603784 A CN201811603784 A CN 201811603784A CN 109469900 A CN109469900 A CN 109469900A
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- Prior art keywords
- rotary table
- gas
- table shell
- burner
- air
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- 239000007789 gas Substances 0.000 claims abstract description 82
- 239000000567 combustion gas Substances 0.000 claims abstract description 74
- 238000002485 combustion reaction Methods 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 38
- 239000002737 fuel gas Substances 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 238000003491 array Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses a kind of burner head and the gas burner including the burner head, including burner body, burner body is provided centrally with gas joint, gas joint connects gas pipeline, combustion head is additionally provided on burner body, combustion head is rotary table shell, rotary table shell is gradually increased by the radial section diameter of inner end to outer end, gas joint is axially arranged on the side of the inner end of rotary table shell, the position that gas joint is connect with the inner end of rotary table shell is additionally provided with partition, and several fuel gas holes are provided on partition；There are several groups to axially extend the air hole array of setting on the peripheral wall of rotary table shell, it arranges in each air hole array several radially distributed airports, air in burner of the invention, which leads to, to be respectively classified into multiply higher speed little airflow with combustion gas in the inner cavity of rotary table shell and mixes with having levels, meet small-power and high-power required air and combustion gas mixing requirement, combustion gas obtains stablizing burning, circuit fire phenomenon does not occur.
Description
Technical field
The present invention relates to fuel gas combustion equipment fields, and in particular to a kind of burner head and the burner including the burner head.
Background technique
In gas burner and fuel burner nozzle technical field, stable burning need suitable air, combustion gas it is uniform
Mixing, can just be greatly lowered nitrogen oxides, reach the discharge standard of national regulation.Gas burner, fuel burner nozzle are in life
It needs to adjust its watt level during producing, meets manufacturing technique requirent.Some gas burners, fuel burner nozzle are in power conversion
When larger, it is not able to satisfy the requirement for stablizing burning, circuit fire phenomenon is easy to appear, influences to produce.
The patent of Publication No. CN206112921U discloses a kind of low NO of multi-staged air distribution.The low nitrogen combustion
Burner includes burner body and combustion head outer housing, is successively arranged igniting combustion from the inside to the outside in the inside cavity of burner body
Gas channel, main gas chamber, First air channel, tertiary air channel and secondary air channel；The lower part of the burner body is equipped with one
The outlet side of secondary wind inlet, secondary air inlet and wind inlet three times, main gas chamber is equipped with gas spray head, in the outside of gas spray head
The First air distribution plate of taper is set, and the air outlet of secondary air channel is equipped with secondary air jet pipe, the air outlet in tertiary air channel
Equipped with tertiary air cyclone；Main fuel gas inlet is equipped with above the front end of main gas chamber.In the utility model, combustion gas and air are utilized
Fractional combustion, reduce flame kernel region temperature, reduce the generation of NOx, realize the deep or light distribution of combustion gas, avoid environment
Pollution.
Middle setting center gas gun of the patent in the main gas gun, the center gas gun stretching First air distribution
Disk, the combustion gas in the gas gun of center is to converge in the front end of First air distribution plate with air, and combustion gas and air is made to converge Shi Youyi
Fixed hysteresis quality cannot be completed to converge in first time, cannot be quickly by air and gas proportion when adjusting burner rating
Adjust optimum value.
Summary of the invention
In order to solve the above-mentioned technical problem, an object of the present invention is to provide a kind of burner head, passes through the combustion in burner
It burns and several groups air hole array is set in the rotary table housing sidewall of head, bypass air through airport and combustion gas in rotary table shell
Multiply higher speed little airflow is respectively classified into chamber, then air little airflow and combustion gas little airflow intersect and mix with having levels, full
Sufficient small-power and high-power required air and combustion gas mixing requirement, combustion gas obtain stablizing burning, circuit fire phenomenon do not occur.
For achieving the above object, the technical solution adopted by the present invention is as follows:
A kind of burner head, including burner body offer the ignitor for ignitor grafting on the burner body
It perforates and perforates for the detecting electrode of detecting electrode, the burner body is provided centrally with gas joint, the gas joint
Gas pipeline is connected, combustion head is additionally provided on the burner body, the combustion head is rotary table shell, rotary table shell edge
The radial section diameter of axial ends is unequal, and the rotary table shell is gradually increased by the radial section diameter of inner end to outer end,
The gas joint is axially arranged on the side of the inner end of the rotary table shell, and gas joint is cavity open at one end, combustion
The gas connector other end is connect with the rotary table shell, and gas pipeline is inserted into the cavity of the gas joint, the gas joint
The position connecting with the inner end of the rotary table shell is additionally provided with partition, and several fuel gas holes are provided on the partition；The circle
There are several groups to axially extend the air hole array of setting on the peripheral wall of platform shell, arranges in each air hole array several
The central axis of a radially distributed airport, section and the rotary table shell locating for each air hole array hangs down
Directly, the airport close to rotary table shell outer end is greater than the airport close to rotary table shell inner end.Ignitor is logical
Electric ignition, makes the mixture combustion of air and combustion gas, and detecting electrode senses flame current.
Preferably, the airport axis be directed toward rotary table shell central axes, air pass through airport after accelerated,
Subdivision, changed course, while being restrained to the central axes of rotary table shell, fill air and combustion gas near the central axes of rotary table shell
Point converge, no matter uninterrupted, there is the combustion gas mixed well with air in centre, avoids the occurrence of circuit fire phenomenon.It prevents out
The insufficient phenomenon of existing air-flow disperses combustion.
Preferably, the partition is bent certain radian from circumferential surface to the outer end of center towards the rotary table shell, i.e. institute
The center for stating partition is on different sections from the circumferential edge of the partition, and the center of partition is located at the rotary table shell
The position that the gas joint is connect with the rotary table shell is arranged in the inside of outer end, the circumferential edge of the partition.Partition
Center curvature certain radian play remittance when being entered in the rotary table housing cavity convenient for combustion gas by the fuel gas hole on partition
Poly- effect changes the direction that combustion gas horizontally enters into, converges combustion gas towards the central axes of rotary table shell, convenient for next step and circle
Air draught convergence in platform shell.
Preferably, around the fuel gas hole battle array for being provided centrally at least one set of rounded distribution of the partition on the partition
It arranges, identical and uniformly distributed around the partition center fuel gas hole of several diameters is set in each combustion gas hole array, by described
The aperture for the fuel gas hole in the combustion gas hole array that the center of partition is organized to the direction of circumferential surface, difference is equal or gradually increases
Greatly.Combustion gas is accelerated after fuel gas hole, is segmented, is altered course, is spread.
It is furthermore preferred that described in the combustion gas hole array organized from the center of the partition to the direction of circumferential surface, difference
The aperture of fuel gas hole is gradually increased.It is arranged in this way, when installation, ignitor is perforated across ignitor, and by combustion gas
Pipeline is connected to the inner cavity of gas joint, to be discharged in the fuel gas hole in combustion gas combustible gas hole array, air rotary table shell
It is discharged in the airport of body, fuel gas hole is gradually increased from partition center to circumferential direction, so that combustion gas mixes with air
When outer layer fuel gas hole air output it is big, guarantee enough gas quantities, be conducive to rapid-ignition, while guaranteeing the stabilization of external flame
Property, it is ensured that in regulation power, external flame is not easy to be blown out by excessive air draught.
Preferably, the air bore dia in each air hole array is identical and around rotary table shell central axes
It is uniformly distributed at equal intervals.
Preferably, the air by the inner end of the rotary table shell to outer extreme direction, in the air hole arrays of difference group
The aperture in hole is gradually increased.The aperture of airport is gradually increased by inner end to outer extreme direction, so that combustion gas mixes with air
When air output close to the inner air hole of rotary table shell inner end it is small, be conducive to light a fire and be not easy to be blown out compared with air blast, improve
The reliability of igniting bypasses air through airport and combustion gas in the inner cavity of rotary table shell by the way that multiple groups air hole array is arranged
It is respectively classified into multiply higher speed little airflow, then air little airflow and combustion gas little airflow intersect and mix with having levels, to make
It obtains combustion gas repeatedly to be mixed with air, improves the uniformity that combustion gas mixes with air, so that fuel gas buring is more abundant,
Reduce the waste of combustion gas and the generation of pernicious gas, energy conservation and environmental protection.
Preferably, the airport battle array by the inner end of the rotary table shell to outer extreme direction, close to rotary table shell outer end
It is classified as outer air hole array, the air hole array close to rotary table shell inner end is inner air hole array, the internal layer
At least one set of center air hole array is set between air hole array and the outer air hole array.
Preferably, the airport aperture in one or more groups of center air hole arrays and the inner air
The airport aperture in hole array is equal.It only needs to guarantee that the air output of the airport of outermost is maximum, is fired when adjusting
When the power of burner tunes up, the airport of outermost can satisfy the entrance of the air stream of big stock, without inner air array and
The air stream that passes through in center air hole array while the requirement for reaching high-power combusted proportion, save the duration of ignition, together
When due to the airport aperture in inner air array and center air hole array it is small, ensure that the stability of igniting.
Preferably, the ignitor perforation and detecting electrode perforation are separately positioned on the peripheral wall of the rotary table shell
Peripheral wall is simultaneously run through in two sides, also sets up ignitor cavity and detecting electrode cavity, the point on the outside of the peripheral wall of the rotary table shell
Fiery electrode chamber one end and detecting electrode cavity one end extend respectively to the ignitor perforation and detecting electrode perforation,
The ignitor cavity other end and the detecting electrode cavity other end extend to the direction of the gas joint.
Preferably, the length of the ignitor cavity and detecting electrode cavity is greater than the length of the gas joint.It is logical
Crossing setting in this way can guarantee that ignitor and detecting electrode are predominantly located in the ignitor cavity and detecting electrode cavity
In, it ensure that the stability of ignitor and detecting electrode installation.
The second object of the present invention is to provide a kind of burner, including burner body, air pipeline, gas pipeline, combustion
Burner burner leads flame tube, ignitor and detecting electrode, and the air pipeline is connect with the burner body, the combustion gas
Pipeline is placed in the inner cavity of the burner body, and one end of the burner body is connect with the flame tube of leading, the burning
Device burner is led in the inner cavity of flame tube described in being placed in, and one end of the gas pipeline is connect with the gas joint, the burner
Burner is combustor nozzle described in any of the above embodiments.
Preferably, the outer end of the combustion head is extended boss section, the outer diameter that the boss section axially extends
It remains unchanged, the outer wall of the boss section is coupled with the inner wall for leading flame tube.
Preferably, the outer wall of the boss section and the gap very little for leading flame tube inner wall, so that air almost all flows through sky
Stomata.
It is furthermore preferred that the outer wall of the boss section and the inner wall for leading flame tube are installed by interference fit, so that boss
The outer wall of section and lead flame tube inner wall and keep being in close contact, make air will not from the outer wall of boss section and the inner wall for leading flame tube it
Between flow out.
It is furthermore preferred that the outer wall of the boss section is coupled with the inner wall for leading flame tube by groove and card column, institute
It states groove to be arranged on the outer wall of the boss section, the card column setting is led on flame tube inner wall described, the groove and card column
Mating connection can play the role of guiding installation and combustion head is prevented to be displaced and rotate in use.
Compared with the existing technology, the present invention achieves beneficial technical effect:
Burner head of the invention in the rotary table housing sidewall of combustion head by being arranged several groups air hole array, in combustion gas
The link position of connector and combustion head is provided with the partition of combustion gas hole array, makes air and combustion gas in the inner cavity of rotary table shell
It is respectively classified into multiply higher speed little airflow, then air little airflow and combustion gas little airflow intersect and mix with having levels, and realize equal
It is even to be sufficiently mixed, due to airport and fuel gas hole be axially and symmetrically, no matter gas flow size, after air and combustion gas mixing
Gaseous mixture converges on the central axes of rotary table shell.When ensuring to adjust burner rating, air and combustion gas are attached in combustion head central axes
Well-mixed gas is closely obtained, mixed gas is burnt after ignitor is powered, and meets small-power and high-power required air
With combustion gas mixing requirement, realizes that burning is stablized in the big combustion gas adjusted than burner, circuit fire phenomenon do not occur.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of burner head of the present invention；
Fig. 2 is a kind of burner structure schematic diagram of the present invention.
Appended drawing reference:
1. air pipeline；2. gas pipeline；3. burner body；3.1. partition；3.11. fuel gas hole；3.2 airport；3.3 combustion
Gas connector；3.4. ignitor cavity；3.5. detecting electrode cavity；3.6. boss section；3.7. rotary table shell；4. leading flame tube；5.
Ignitor；6. detecting electrode.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments to the present invention
It is further elaborated, but the scope of protection of present invention is not limited to following specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of burner head, including burner body 3, offers on the burner body 3 and inserted for ignitor 5
The ignitor perforation connect and the detecting electrode perforation for detecting electrode 6, the burner body 3 are provided centrally with gas joint
3.3, the gas joint 3.3 connects gas pipeline 2, and combustion head is additionally provided on the burner body 3, and the combustion head is circle
Platform shell 3.7, the rotary table shell 3.7 is unequal along the radial section diameter of axial ends, and the rotary table shell 3.7 is by inner end
Radial section diameter to outer end is gradually increased, and the gas joint 3.3 is axially arranged on the inner end of the rotary table shell 3.7
Side, gas joint 3.3 is cavity open at one end, and 3.3 other end of gas joint connect with the rotary table shell 3.7, combustion
Feed channel 2 is inserted into the cavity of the gas joint 3.3, and the gas joint 3.3 is connect with the inner end of the rotary table shell 3.7
Position be additionally provided with partition 3.1, several fuel gas holes 3.11 are provided on the partition 3.1；The peripheral wall of the rotary table shell 3.7
On there are several groups to axially extend setting air hole array, arranging in each air hole array, several are radially distributed
Airport 3.2, the central axis upright in section and the rotary table shell 3.7 locating for each air hole array is close
The airport 3.2 of 3.7 outer end of rotary table shell is greater than the airport 3.2 close to 3.7 inner end of rotary table shell.Air warp
Enter in the inner cavity of rotary table shell 3.7 after crossing airport 3.2, combustion gas enters the inner cavity of rotary table shell 3.7 by fuel gas hole 3.11
In, ignitor 5, which is powered to lighting a fire, makes the mixture combustion of air and combustion gas, and detecting electrode 6 senses flame current.
The ignitor perforation and detecting electrode perforation are separately positioned on the peripheral wall two sides of the rotary table shell 3.7
And run through peripheral wall, ignitor cavity 3.4 and detecting electrode cavity 3.5, institute are also set up on the outside of the peripheral wall of the rotary table shell 3.7
It states 3.4 one end of ignitor cavity and 3.5 one end of detecting electrode cavity and extends respectively to the ignitor perforation and the inspection
Electrode perforations, 3.4 other end of ignitor cavity and 3.5 other end of detecting electrode cavity are surveyed to the gas joint 3.3
Direction extend.
The axis of the airport 3.2 is directed toward the central axes of rotary table shell 3.7, and air is added after passing through airport 3.2
Speed, subdivision, changed course, while being restrained to the central axes of rotary table shell 3.7, make air and combustion gas in the central axes of rotary table shell 3.7
Nearby sufficiently converged, prevents the insufficient phenomenon of air-flow disperses combustion.
The partition 3.1 is bent certain radian from circumferential surface to the outer end of center towards the rotary table shell 3.7, i.e., described
The center of partition 3.1 is on different sections from the circumferential edge of the partition 3.1, and the center of partition 3.1 is positioned at described
The inside of 3.7 outer end of rotary table shell, the circumferential edge setting of the partition 3.1 is in the gas joint 3.3 and the rotary table shell
The position that body 3.7 connects.The certain radian of the center curvature of partition 3.1 convenient for combustion gas by the fuel gas hole 3.11 on partition 3.1 into
Play the role of convergence when entering in 3.7 inner cavity of rotary table shell, changes the direction that combustion gas horizontally enters into, make combustion gas towards circle
The central axes of platform shell 3.7 are converged, and are converged convenient for next step and the air draught in rotary table shell 3.7.
Around the combustion gas hole array for being provided centrally at least one set of rounded distribution of the partition 3.1 on the partition 3.1,
Identical and uniformly distributed around 3.1 center of the partition fuel gas hole 3.11 of several diameters is set in each combustion gas hole array, by
The aperture for the fuel gas hole 3.11 in the combustion gas hole array that the center of the partition 3.1 is organized to the direction of circumferential surface, difference
It is equal or be gradually increased.Combustion gas is accelerated after fuel gas hole 3.11, is segmented, is altered course, is spread.Each air hole array
On 3.2 diameter of the airport it is identical and uniformly distributed at equal intervals around 3.7 central axes of rotary table shell.
Air hole array by the inner end of the rotary table shell 3.7 to outer extreme direction, close to 3.7 outer end of rotary table shell
For outer air hole array, the air hole array close to 3.7 inner end of rotary table shell is inner air hole array, the internal layer
At least one set of center air hole array is set between air hole array and the outer air hole array.The present embodiment setting two
Group center air hole array, on the airport aperture and the inner air hole array in center air hole array
3.2 aperture of airport is equal, and 3.2 aperture of the airport in center air hole array is less than the outer air
The airport aperture in hole array.Airport 3.2 in outer air hole array is maximum, it is only necessary to guarantee the sky of outermost
The air output of stomata 3.2 is maximum, and when the power for adjusting burner tunes up, the airport 3.2 of outermost can satisfy big stock
The entrance of air stream without the air stream passed through in inner air array and center air hole array while reaching high-power combustion
The requirement of burning ratio saves duration of ignition when power regulation, simultaneously because inner air array and center air hole battle array
3.2 aperture of airport in column is small, is conducive to light a fire and be not easy to be blown out compared with air blast, ensure that the stability of igniting.
Combustor nozzle of the invention on 3.7 side wall of rotary table shell of combustion head by being arranged several groups airport battle array
Column, are provided with the partition 3.1 of combustion gas hole array in the link position of gas joint 3.3 and combustion head, air and combustion gas are made to exist
Multiply higher speed little airflow is respectively classified into the inner cavity of rotary table shell 3.7, then air little airflow and combustion gas little airflow intersect and
Mix with having levels, realization is uniformly sufficiently mixed, due to airport 3.2 and fuel gas hole 3.11 be it is axially symmetric, no matter gas
Gaseous mixture after uninterrupted, air and combustion gas mixing converges on the central axes of rotary table shell 3.7.Ensure to adjust burner rating
When, air and combustion gas obtain well-mixed gas near combustion head central axes, and mixed gas is fired after ignitor 5 is powered
It burns, meets small-power and high-power required air and combustion gas mixing requirement, combustion gas obtains stablizing burning, and it is existing not occur cutoff
As.
As shown in Fig. 2, the present invention also provides a kind of gas burner, including burner body, air pipeline 1, fuel gas conduit
Road 2, combustor nozzle lead flame tube 4, ignitor 5 and detecting electrode 6, and the air pipeline 1 connects with the burner body
It connects, the gas pipeline 2 is placed in the inner cavity of the burner body, and flame tube 4 is led with described in one end of the burner body
Connection, the combustor nozzle be placed in it is described lead in the inner cavity of flame tube 4, one end of the gas pipeline 2 and the gas joint
3.3 connections, the combustor nozzle are combustor nozzle described in any of the above embodiments.The outer end of the combustion head is extended convex
Platform section 3.6, the outer diameter that the boss section 3.6 axially extends remain unchanged, and the outer wall of the boss section 3.6 is led with described
The inner wall of flame tube 4 is coupled.The outer wall of the boss section 3.6 and the gap very little for leading 4 inner wall of flame tube, so that air is almost complete
Flow through airport 3.2 in portion.The outer wall of the boss section 3.6 and the inner wall for leading flame tube 4 are by interference fit installation, so that convex
The outer wall of platform section 3.6 keeps being in close contact with 4 inner wall of flame tube is led, and air is made not lead flame with described from the outer wall of boss section 3.6
It is flowed out between the inner wall of pipe 4.
Air enters in burner body from air pipeline 1, then air stream guide flame tube 4, due to lead 4 inner wall of flame tube and
Gap very little at the boss portion counterface of combustion head outer end, air can only be by 3.7 peripheral walls of rotary table shell of combustion head
Airport 3.2 enters in the inner cavity of combustion head, and since gas pipeline 2 connects the gas joint 3.3 of combustion head, combustion gas is from fuel gas conduit
Road 2 into gas joint 3.3 went forward side by side the fuel gas hole 3.11 on partition 3.1 flow into combustion head inner cavity in, thus make combustion gas and
Air mixing, ignitor 5, which is powered to lighting a fire, makes the mixture combustion of air and combustion gas, and detecting electrode 6 senses flame current.
Embodiment 2
The embodiment only describes and the difference of above-described embodiment, remaining technical characteristic is same as the previously described embodiments.?
In the present embodiment, the fuel gas hole of the center of the partition 3.1 to the direction of circumferential surface, in the combustion gas hole arrays of difference group
3.11 aperture is gradually increased.It is arranged in this way, when installation, ignitor 5 is perforated across ignitor, and by fuel gas conduit
Road 2 is connected to the inner cavity of gas joint 3.3, to be discharged in the fuel gas hole 3.11 in combustion gas combustible gas hole array, air
It being discharged in the airport 3.2 of rotary table shell 3.7, fuel gas hole 3.11 is gradually increased from 3.1 center of partition to circumferential direction, thus
So that the air output of outer layer fuel gas hole 3.11 is big when combustion gas mixes with air, guarantees enough gas quantities, is conducive to rapid-ignition,
Guarantee the stability of external flame simultaneously, it is ensured that in regulation power, external flame is not easy to be blown out by excessive air draught.
Embodiment 3
The embodiment only describes and the difference of above-described embodiment, remaining technical characteristic is same as the previously described embodiments.?
The airport in the present embodiment, by the inner end of the rotary table shell 3.7 to outer extreme direction, in the air hole arrays of difference group
3.2 aperture is gradually increased.The aperture of airport 3.2 is gradually increased by inner end to outer extreme direction, so that combustion gas and air
Air output when mixing close to the inner air hole 3.2 of 3.7 inner end of rotary table shell is small, is conducive to light a fire and be not easy by compared with air blast
It blows out, improves the reliability of igniting, by the way that multiple groups air hole array is arranged, bypass air through airport 3.2 and combustion gas in rotary table
Multiply higher speed little airflow is respectively classified into the inner cavity of shell 3.7, then air little airflow and combustion gas little airflow intersect and have layer
It mixes secondaryly, so that combustion gas is repeatedly mixed with air, the uniformity that combustion gas mixes with air is improved, so that combustion
Gas burning is more abundant, reduces the waste of combustion gas and the generation of pernicious gas, energy conservation and environmental protection.
Embodiment 4
The embodiment only describes and the difference of above-described embodiment, remaining technical characteristic is same as the previously described embodiments.?
In the present embodiment, the length of the ignitor cavity 3.4 and detecting electrode cavity 3.5 is greater than the length of the gas joint 3.3
Degree.Setting can guarantee that ignitor 5 and detecting electrode 6 are predominantly located in the ignitor cavity 3.4 and inspection in this way
It surveys in electrode chamber 3.5, ensure that the stability that ignitor 5 and detecting electrode 6 are installed.
Embodiment 5
The embodiment only describes and the difference of above-described embodiment, remaining technical characteristic is same as the previously described embodiments.?
In the present embodiment, the outer wall of the boss section 3.6 is coupled with the inner wall for leading flame tube 4 by groove and card column, described
Groove is arranged on the outer wall of the boss section 3.6, and the card column setting is led on 4 inner wall of flame tube described, the groove and card
Column mating connection can play the role of guiding installation and combustion head is prevented to be displaced and rotate in use.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not constitute any restrictions to invention.
Claims (10)
1. a kind of burner head, including burner body, the ignitor offered on the burner body for ignitor grafting is worn
It hole and perforates for the detecting electrode of detecting electrode, the burner body is provided centrally with gas joint, and the gas joint connects
Connect gas pipeline, which is characterized in that combustion head is additionally provided on the burner body, the combustion head is rotary table shell, described
Rotary table shell is unequal along the radial section diameter of axial ends, the rotary table shell by inner end to outer end radial section diameter
Be gradually increased, the gas joint is axially arranged on the side of the inner end of the rotary table shell, the gas joint with it is described
The position of the inner end connection of rotary table shell is additionally provided with partition, and several fuel gas holes are provided on the partition；The rotary table shell
Peripheral wall on there are several groups to axially extend setting air hole array, arrange several along diameter in each air hole array
To the airport of distribution, the airport close to rotary table shell outer end is greater than the air close to rotary table shell inner end
Hole.
2. a kind of burner head according to claim 1, which is characterized in that be arranged on the partition around the center of the partition
Have the combustion gas hole array of at least one set of rounded distribution, be arranged in each combustion gas hole array several diameters it is identical and around every
The uniformly distributed fuel gas hole in plate center, from the center of the partition to the direction of circumferential surface, in the combustion gas hole arrays of difference group
The fuel gas hole aperture it is equal or be gradually increased.
3. a kind of burner head according to claim 1, which is characterized in that the air in each air hole array
Bore dia is identical and uniformly distributed at equal intervals around rotary table shell central axes.
4. a kind of burner head according to claim 3, which is characterized in that by inner end to the outer end side of the rotary table shell
To the aperture of the airport in the air hole array of difference group is gradually increased.
5. a kind of burner head according to claim 3, which is characterized in that by inner end to the outer end side of the rotary table shell
To the air hole array close to rotary table shell outer end is outer air hole array, the sky close to rotary table shell inner end
Stomata array is inner air hole array, is arranged at least one between the inner air hole array and the outer air hole array
Group center air hole array.
6. a kind of burner head according to claim 5, which is characterized in that one or more groups of center air hole arrays
On the airport aperture and the inner air hole array on the airport aperture be equal.
7. a kind of burner head according to claim 1, which is characterized in that the ignitor perforation and the detecting electrode
Perforation is separately positioned on the peripheral wall two sides of the rotary table shell and also sets up a little on the outside of peripheral wall, the peripheral wall of the rotary table shell
Fiery electrode chamber and detecting electrode cavity, ignitor cavity one end and detecting electrode cavity one end extend respectively to described
Ignitor perforation and detecting electrode perforation, the ignitor cavity other end and the detecting electrode cavity other end are to institute
The direction for stating gas joint extends.
8. a kind of burner head according to claim 1, which is characterized in that the ignitor cavity and detecting electrode cavity
Length be greater than the gas joint length.
9. a kind of gas burner, including burner body, air pipeline, gas pipeline, combustor nozzle, lead flame tube, igniting
Electrode and detecting electrode, the air pipeline are connect with the burner body, and the gas pipeline is placed in the burner sheet
In the inner cavity of body, one end of the burner body is connect with the flame tube of leading, and the combustor nozzle, which is placed in, described leads flame tube
Inner cavity in, one end of the gas pipeline is connect with the gas joint, which is characterized in that the combustor nozzle be right
It is required that the described in any item combustor nozzles of 1-8.
10. a kind of gas burner according to claim 9, which is characterized in that the outer end of the combustion head is extended
Boss section, the outer diameter that the boss section axially extends remain unchanged, the outer wall of the boss section and the flame tube of leading
Inner wall is coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603784.1A CN109469900B (en) | 2018-12-26 | 2018-12-26 | Burner head and burner comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603784.1A CN109469900B (en) | 2018-12-26 | 2018-12-26 | Burner head and burner comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109469900A true CN109469900A (en) | 2019-03-15 |
| CN109469900B CN109469900B (en) | 2024-03-15 |
Family
ID=65677912
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811603784.1A Active CN109469900B (en) | 2018-12-26 | 2018-12-26 | Burner head and burner comprising same |
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| Country | Link |
|---|---|
| CN (1) | CN109469900B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500966A (en) * | 2020-06-16 | 2020-08-07 | 江苏科环新材料有限公司 | Flame spray gun mixer |
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| CN111500966A (en) * | 2020-06-16 | 2020-08-07 | 江苏科环新材料有限公司 | Flame spray gun mixer |
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| Publication number | Publication date |
|---|---|
| CN109469900B (en) | 2024-03-15 |
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